Here is the full list of all 27 TerraForge achievements.
Reach a depth of 3000.
Discover Celestium.
Discover Adamantite.
Equip 3 relic at once.
Discover diamond
Obtain a legendary blueprint shard.
Earn 1000 coins.
Discover gold
Craft 50 items.
Purchase all upgrades.
Purchase 20 upgrades.
Purchase 5 upgrades.
Buy your first upgrade.
Earn 100 coins.
Craft 10 items.
Discover your first relic.
Discover silver.
Craft a masterwork quality item.
Discover iron.
Buy your first paid licence.
Earn 10,000 coins.
Earn 50,000 coins.
Reach the depth of Abyss.
Complete your first mission.
Complete 10 missions.
Discover all relics.
Craft 200 items.